Home / 10,680,007.80-16,020,011.70-3,947,028.60

Finding the Fourth Proportional to 10,680,007.80, 16,020,011.70 and 3,947,028.60

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Solution

The fourth proportional to 10,680,007.80, 16,020,011.70 and 3,947,028.60 is: 5,920,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680,007.80 : 16,020,011.70 = 3,947,028.60 : x
  2. Step 2: Convert to fraction form
    10,680,007.80/16,020,011.70 = 3,947,028.60/x
  3. Step 3: Cross multiply
    10,680,007.80x = 16,020,011.70 × 3,947,028.60
  4. Step 4: Simplify right side
    10,680,007.80x = 63,231,444,352,234.62
  5. Step 5: Solve for x
    x = 63,231,444,352,234.62/10,680,007.80
  6. Step 6: Final answer
    x = 5,920,542.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.